Home / 99,844.19-137,779.85-54,513.44

Finding the Fourth Proportional to 99,844.19, 137,779.85 and 54,513.44

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Solution

The fourth proportional to 99,844.19, 137,779.85 and 54,513.44 is: 75,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,844.19 : 137,779.85 = 54,513.44 : x
  2. Step 2: Convert to fraction form
    99,844.19/137,779.85 = 54,513.44/x
  3. Step 3: Cross multiply
    99,844.19x = 137,779.85 × 54,513.44
  4. Step 4: Simplify right side
    99,844.19x = 7,510,853,550.24
  5. Step 5: Solve for x
    x = 7,510,853,550.24/99,844.19
  6. Step 6: Final answer
    x = 75,225.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.